# t_color_alt_text.py -- and text_outline

# t_color_alt_text.py -- and text_outline

from turtle import Screen, Turtle
from itertools import cycle

COLORS = cycle(["red","blue","yellow","green"])

STRING = "Hello World !!!!!"

FONT_SIZE = 60
DELTA_SIZE = 4
FONT = ("Ariel", FONT_SIZE, "italic")

tu = Turtle(visible=False)
tu.speed('fastest')

font_width = 2

xy = [z-font_width-1 for z in range(1,(font_width+1)*2)]
OUTLINE_FONT = [(x,y) for x in xy for y in xy]

screen = Screen()
screen.tracer(0, 0)
tu.penup()
X, Y = -300, 100
tu.goto(X, Y)

for letter in STRING+' ':
    oldx = tu.xcor()
    tu.write(letter, font=FONT)
    tu.color('black')
    if letter != ' ':
        for x,y in OUTLINE_FONT:
            tu.setposition(oldx+x, Y+y)
            tu.write(letter, move=True, font=FONT)
        tu.color(next(COLORS))
    tu.setposition(oldx, Y)
    tu.write(letter, move=True, font=FONT)
screen.update()